Tips & Notes

Make Ahead Tip: Prepare through step 2. Cover and refrigerate onions for up to 2 days. Refresh beans under cold running water; cover and refrigerate for up to 2 days.

Commercial vegetable broth is readily available in natural-foods stores and many supermarkets. We especially like the Imagine and Pacific brands, sold in convenient aseptic packages that allow you to use small amounts and keep the rest refrigerated.